This product is as advertised. The water it filters is pure and pleasant to the taste. I only gave this an average rating as it claims to last 6 months. If you read the fine print you will know this for the last 6 months if you only use half a gallon a day! We use filtered water for our family, our plants and our pets. We use well over half a gallon a day. So it's probably cheaper than buying water and transporting it, but not as economical as the manufacturer would have you believe. If I had to rebuild I would shop more than I did before I bought this unit and do a lot of comparisons.
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